/****************************************************************************
 * Copyright (c) 2017 liangxie
 * Copyright (c) 2018 liangxie
 * 
 * http://qframework.io
 * https://github.com/liangxiegame/QFramework
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 ****************************************************************************/

namespace QFramework
{
	using UnityEngine;

	public static class RectTransformExtension
    {
		public static Vector2 GetPosInRootTrans(this RectTransform selfRectTransform, Transform rootTrans)
		{
			return RectTransformUtility.CalculateRelativeRectTransformBounds(rootTrans, selfRectTransform).center;
		}

		public static RectTransform AnchorPosX(this RectTransform selfRectTrans, float anchorPosX)
		{
			var anchorPos = selfRectTrans.anchoredPosition;
			anchorPos.x = anchorPosX;
			selfRectTrans.anchoredPosition = anchorPos;
			return selfRectTrans;
		}
	    
	    public static RectTransform AnchorPosY(this RectTransform selfRectTrans, float anchorPosY)
	    {
		    var anchorPos = selfRectTrans.anchoredPosition;
		    anchorPos.y = anchorPosY;
		    selfRectTrans.anchoredPosition = anchorPos;
		    return selfRectTrans;
	    }
		
		public static RectTransform SetSizeWidth(this RectTransform selfRectTrans, float sizeWidth)
		{
			var sizeDelta = selfRectTrans.sizeDelta;
			sizeDelta.x = sizeWidth;
			selfRectTrans.sizeDelta = sizeDelta;
			return selfRectTrans;
		}

		public static RectTransform SetSizeHeight(this RectTransform selfRectTrans, float sizeHeight)
		{
			var sizeDelta = selfRectTrans.sizeDelta;
			sizeDelta.y = sizeHeight;
			selfRectTrans.sizeDelta = sizeDelta;
			return selfRectTrans;
		}
	    
	    public static Vector2 GetWorldSize(this RectTransform selfRectTrans)
	    {
		    return RectTransformUtility.CalculateRelativeRectTransformBounds(selfRectTrans).size;
	    }
	}
}